The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2019
Filed:
Feb. 15, 2016
Taisei Kako Co., Ltd., Osaka, JP;
Yukihiro Ogawa, Osaka, JP;
Yuji Tanaka, Kanagawa, JP;
Taisei Kako Co., Ltd., Osaka, JP;
Abstract
The present invention provides a next-generation pre-filled syringe having a reduced number of components and requiring reduced costs and including a safety mechanism for preventing needlestick injuries. In the syringe of the present invention, elastic engagement membersof the coverengage the injection needleso as to prevent the injection needlefrom being withdrawn from the elastic engagement membersof the cover in a retracted state toward the base end, and the elastic engagement members and injection needle are disengaged from each other as the elastic engagement membersare diametrically expanded/deformed. Further, the plungerincludes an integrated deformation-prevention partcovering the outer peripheries of the plurality of elastic engagement membersso as to prevent the elastic engagement membersand the injection needlefrom being disengaged from each other as the elastic engagement membersare diametrically expanded/deformed.